664545712

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{16607}}^1$

素因数の和:16717

約数の個数: 40

約数和(自身を含む): 1340664192

約数和(自身を除く): 676118480

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 2501, 5002, 10004, 16607, 20008, 33214, 40016, 66428, 132856, 265712, 680887, 1013027, 1361774, 2026054, 2723548, 4052108, 5447096, 8104216, 10894192, 16208432, 41534107, 83068214, 166136428, 332272856, 664545712]

約数ペア:

[(1, 664545712), (2, 332272856), (4, 166136428), (8, 83068214), (16, 41534107), (41, 16208432), (61, 10894192), (82, 8104216), (122, 5447096), (164, 4052108), (244, 2723548), (328, 2026054), (488, 1361774), (656, 1013027), (976, 680887), (2501, 265712), (5002, 132856), (10004, 66428), (16607, 40016), (20008, 33214)]